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                        <a style="color: rgb(30 159 255)" class="jackson">组件漏洞 - Jackson反序列化</a>
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                        <pre>  Jackson是一个强大而高效的Java库，类似于Fastjson，可以方便地在Java对象和JSON之间进行转换</pre>
                        <pre>  在Jackson 2.9及之前版本中，启用Default Typing或使用@JsonTypeInfo注解时，存在反序列化漏洞的风险</pre>
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                        <h1><span class="iconfont icon-bug"> 漏洞场景</span></h1>
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                                        <p>点击跳转后需要自行构造触发payload</p>
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                        <h1><span class="iconfont icon-anquan"> 安全场景：禁止开启DefaultTyping</span></h1>
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                                        <p>禁止开启DefaultTyping功能</p>
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                                            <pre style="color: #28333e;font-size: 15px;">安全编码规范：
  1、升级方案：升级Jackson组件到或最新版本
  2、非升级修复：1.4.10后可启动默认安全配置 setupDefaultSecurity()</pre>
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                        <h1><span class="iconfont icon-code"> 安全代码</span></h1>
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